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Northwest Africa 13029
Basic information Name: Northwest Africa 13029
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 13029
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 35.7 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 551 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 1 Jan 2020
Writeuphelp
Writeup from MB 109:

Northwest Africa 13029 (NWA 13029)

(Northwest Africa)

Purchased: 2019

Classification: Carbonaceous chondrite (CO3)

History: The meteorite was purchased from a meteorite dealer in Morocco.

Physical characteristics: Dark brownish rock without fusion crust.

Petrography: Carbonaceous chondrite exhibiting a chondritic texture of abundant small and well defined chondrules, CAIs, and mineral fragments set into a fine-grained almost black matrix. Chondrules are dominantly porphyritic type I and typically 0.1-0.2 mm in diameter. Contains sulfides and FeNi metal in matrix and chondrules.

Data from:
  MB109
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019
Mass (g):35.7
Pieces:1
Class:CO3
Shock stage:S1
Weathering grade:low
Fayalite (mol%):10.8±16.0 (0.3-55.1, n=20)
Ferrosilite (mol%):1.7±0.7 (1.3-4.6, n=18)
Wollastonite (mol%):1.6±0.8 (1.0-3.5, n=18)
Classifier:A. Greshake, MNB
Type spec mass (g):7.5
Type spec location:MNB
Main mass:Said Yousfi
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 109, in preparation (2020)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7228 approved meteorites from (Northwest Africa) (plus 1998 unapproved names)

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